CN209311285U - A kind of Simple soil infiltration rate measurement device - Google Patents
A kind of Simple soil infiltration rate measurement device Download PDFInfo
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- CN209311285U CN209311285U CN201821806519.9U CN201821806519U CN209311285U CN 209311285 U CN209311285 U CN 209311285U CN 201821806519 U CN201821806519 U CN 201821806519U CN 209311285 U CN209311285 U CN 209311285U
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- ring
- graduated cylinder
- infiltration rate
- rate measurement
- measurement device
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Abstract
The utility model discloses a kind of Simple soil infiltration rate measurement devices, including bracket, graduated cylinder and the first ring, it is fixedly connected on the inside of first ring and the bracket, first ring is detachably connected with the graduated cylinder, it the upper end closed of first ring and offers into head piece, first ring enters head piece described in and is connected to the graduated cylinder, first ring is configured with the graduated cylinder of several different-diameters, to keep the conversion coefficient between graduated cylinder and the first ring variable, i.e. measurement accuracy is variable, to meet the measurement demand of various different zones soil, and reduce experimental error.
Description
Technical field
The utility model relates to soil measuring device technical fields, measure more particularly to a kind of Simple soil infiltration rate
Device.
Background technique
The measurement of Infiltration Processes for Different Vegetation is to study the basic work of " atmospheric water-precipitation-soil water-underground water " recycle recovery
Make, infiltration rate is to measure the important physical index of Infiltration Characteristics in Field Soils.Under the influence of mankind's activity, different land use side
Formula leads to Infiltration Characteristics in Field Soils, and there are significant othernesses.Therefore it needs for different type original-state soil, backfill soil and plant
Simulating experiment is carried out by condition.However Different Soil infiltration rate differs greatly, (the stabilization infiltration rate of sand is about
120mm/h, the stabilization infiltration rate about 40mm/h of loam, the stabilization infiltration rate about 10mm/h of clay), tradition is infiltrated device and is adopted
It is carried out with Markov bottle for water gaging, range is fixed, and measurement flexibility is poor, and the measurement accuracy for not being able to satisfy Different Soil needs
It asks, easily causes large error.
Utility model content
The purpose of the utility model is to provide a kind of Simple soil infiltration rate measurement devices, to solve the above-mentioned prior art
There are the problem of, keep measurement accuracy variable, meet the measurement demand of various different zones soil, reduce experimental error.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of Simple soil infiltration rate measurement device, including bracket, graduated cylinder and the first ring, institute
It states and is fixedly connected on the inside of the first ring and the bracket, first ring is detachably connected with the graduated cylinder, first ring
Upper end closed and offer into head piece, first ring by it is described enter head piece be connected to the graduated cylinder, first ring is mating
There is the graduated cylinder of several different-diameters.
Further, it is described enter head piece at be equipped with fixture nut, the graduated cylinder passes through the fixture nut and described first
Ring is threadedly coupled.
Further, it is fixedly connected with the second ring on the outside of the bracket, is fixedly connected on the outside of second ring limited
Position ring, the stop collar are used to limit the position in first ring and second ring insertion soil.
Further, the lower end of first ring and second ring is equipped with the inclined acute angle edge of a knife.
Further, timer is fixedly installed on the bracket.
Further, the upper end on the inside of the bracket is equipped with support frame, and the support frame is touched with the graduated cylinder.
Further, the top of the bracket is equipped with rubber handle.
Further, the diameter of first ring is greater than the diameter of the graduated cylinder.
The utility model achieves following technical effect compared with the existing technology:
Graduated cylinder of the utility model for survey measurements can be wanted according to Different Soil infiltration rate and experimental precision
The graduated cylinder for seeking detachable and interchangeable different-diameter is calculated the first ring by principle of water balance and infiltrates height and the decline of graduated cylinder liquid level
Conversion coefficient between reading is amplified by graduated cylinder liquid level readings and actually infiltrates height in the first ring, and data precision greatly improves,
Can not only accurate recording Infiltration Processes for Different Vegetation different phase consecutive variations process, and can obtain under final saturation state
Accurate stable infiltration rate, to meet the measurement demand of various different zones soil.Different land use class is avoided simultaneously
The experiment of type underlying surface soil infiltration uses the problems such as reading is inaccurate, error is big caused by single experimental provision.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model Simple soil infiltration rate measurement device；
Fig. 2 is unit soil infiltration curve in application case；
Fig. 3 is that soil infiltration curve is accumulated in application case；
Wherein: 1- bracket, 2- graduated cylinder, the scale area 3-, 4- timer, 5- fixture nut, the first ring of 6-, the second ring of 7-, 8-
The acute angle edge of a knife, 9- stop collar.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise not made the creative labor
Under every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of Simple soil infiltration rate measurement devices, to solve the above-mentioned prior art
There are the problem of, keep measurement accuracy variable, meet the measurement demand of various different zones soil.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
A kind of Simple soil infiltration rate measurement device, including bracket 1, graduated cylinder 2 are present embodiments provided as shown in Figure 1:
With the first ring 6, the first ring 6 is fixedly connected with the inside of bracket 1, and the first ring 6 is detachably connected with graduated cylinder 2, upper on the inside of bracket 1
End is equipped with support frame, and support frame is touched with graduated cylinder 2, and support frame avoids 2 run-off the straight of graduated cylinder, causes to read for clamping graduated cylinder 2
Number error is big.It the upper end closed of first ring 6 and offers into head piece, the first ring 6 is connected to by entering head piece with graduated cylinder 2, enters head piece
Place is equipped with fixture nut 5, and graduated cylinder 2 is threadedly coupled by fixture nut 5 with the first ring 6, and it is different straight that the first ring 6 is configured with several
The graduated cylinder 2 of diameter, and the diameter of the first ring 6 is greater than the diameter of graduated cylinder 2.First ring 6 is detachably connected by fixture nut 5 with graduated cylinder 2
It connects, same first ring 6 can be equipped with the graduated cylinder 2 of plurality of specifications, to change 6 soil infiltration amount of the first ring and 2 liquid level of graduated cylinder
For conversion coefficient between reading to reach different measurement accuracy, specific conversion method is as follows:
Infiltration process can be obtained according to principle of water balance, and 6 soil infiltration amount of the first ring is equal with the decline of graduated cylinder 2 volume, by
Following equation is converted:
W1=W2 (1)
πr1 2h1=π r2 2h2 (2)
W in formula1、W2Respectively in the unit time in graduated cylinder 2 liquid decline volume and the first ring 6 in liquid infiltrate volume.
r1、r2The respectively radius of graduated cylinder 2 and the first ring 6.h1、h2Liquid level falling head and first in graduated cylinder 2 respectively in the unit time
Water infiltrates height in ring 6.
The conversion that height is infiltrated in the unit time can be obtained by (1) (2) formula:
h2=k × h1 (3)
K is conversion coefficient (i.e. the measurement accuracy of data) in formula,
The soil infiltration that 2 liquid level readings variable quantity of different moments graduated cylinder can be converted in the first ring 6 is calculated by (3) formula
Amount.
The outside of bracket 1 is fixedly connected with the second ring 7, and the first ring 6 is arranged concentrically with the second ring 7, is carrying out soil infiltration
When experiment, the first ring 6 controls the experiment area of soil infiltration, and 7 domestic demand of the second ring fills liquid in advance, to reduce lateral seep
Stream guarantees the liquid Vertical Infiltration of the first ring 6.The lower end of first ring 6 and the second ring 7 is equipped with the inclined acute angle edge of a knife 8, convenient
Device is inserted into soil.The outside of second ring 7 is fixedly connected with restraining position ring block 9, and stop collar 9 can be welded on to the outer of the second ring 7
Side, stop collar 9 are used to limit the position in the first ring 6 and the second ring 7 insertion soil, i.e. device is inserted into depth of soil by stop collar
9 position height is controlled.
It can also be fixedly installed timer 4 on bracket 1, record experimental period can be cooperated to guarantee whole experiment process
Continuity.The top of bracket 1 can also be arranged with rubber handle, facilitate carrying and the device insertion soil of device.And pass through
Various pieces are connected as one makeup and set by bracket 1, the carrying of more convenient device, while structure is simple, can also be according to ratio
The diameter of the first ring 6 and the second ring 7 is reduced, to greatly reduce the volume and experimental water of device under the premise of guaranteeing precision
Amount, experimental implementation is very simple, can satisfy the secondary field trial demand of long-time, multifrequency.
Using the present embodiment Simple soil infiltration rate measurement device carry out soil test process the following steps are included:
1) Different Soil characteristic in area's to be measured is investigated, soil infiltration rate variation range in area's to be measured is estimated, in conjunction with measurement
Required precision determines 6 diameter of the first ring and selects 2 diameter of graduated cylinder；
2) experimental water is got ready；
3) timer 4 is set, and resetting timer 4 arrives " 00:00 "；
4) the acute angle edge of a knife 8 of the first ring 6 and the second ring 7 is placed on area to be measured, silicon spray is sprayed on the acute angle edge of a knife 8
Agent；
5) rubber handle is pushed down on, while lightly rotating bracket 1 back and forth, the first ring 6 and the second ring 7 is made to be easier to insert
Enter in soil, until stop collar 9 and soil surface contact；
6) while into graduated cylinder 2 and experimental water is poured into the second ring 7, until filling up experimental water in the second ring 7, simultaneously
Liquid height reaches scale starting point in graduated cylinder 2；
7) it presses 4 start button of timer and starts timer 4 immediately, start to test；
8) it reads, when experimental water penetrates into soil, the liquid level in graduated cylinder 2 constantly declines, and reads and records every 1min
2 liquid level readings of graduated cylinder；Difference is of substantially equal between finding each reading, that is, reaches and stop reading when stablizing lower infiltration state；
9) if graduated cylinder 2 reaches 3 bottommost of scale area, stablizes lower infiltration state still without reaching, press the pause of timer 4
Key repeats step 6) -8) subsequent number of resuming studies, and record plus water time on monitoring record；
10) Simple soil infiltration rate measurement device is removed, Simple soil infiltration rate measurement device or so is slightly turned
It is dynamic, while Simple soil infiltration rate measurement device is lifted away from ground, it slowly transfers in order to avoid interfering soil surface；
11) after testing, cleaning and the dry acute angle edge of a knife 8.
Meanwhile repeating to test in the same area to be measured, reduce experiment random error.
It using Simple soil infiltration rate measurement device, and is tested according to above step, wherein Binding experiment precision
It is required that selecting 2 diameter of graduated cylinder is 20mm, infiltrating annular diameters is 60mm, and calculates conversion coefficient k=1/9 according to formula (3), is obtained
To experimentation in soil infiltration curve and accumulative infiltration capacity curve, it is specific as shown in Figures 2 and 3, temporal resolution is
1min, under conditions of graduated cylinder 2 and annular diameters ratio are 1:3, data precision can be accurate to 0.11mm/min, can be sufficiently anti-
Reflect the infiltration process of Different Soil.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of Simple soil infiltration rate measurement device, it is characterised in that: including bracket, graduated cylinder and the first ring, described first
It is fixedly connected on the inside of ring and the bracket, first ring is detachably connected with the graduated cylinder, the upper end seal of first ring
It closes and offers into head piece, first ring enters head piece described in and is connected to the graduated cylinder, and first ring is configured with several
The graduated cylinder of a different-diameter.
2. Simple soil infiltration rate measurement device according to claim 1, it is characterised in that: it is described enter head piece at be equipped with
Fixture nut, the graduated cylinder are threadedly coupled by the fixture nut with first ring.
3. Simple soil infiltration rate measurement device according to claim 1, it is characterised in that: the outside of the bracket is solid
Surely it is connected with the second ring, restraining position ring block is fixedly connected on the outside of second ring, the stop collar is for limiting first ring
With the position in second ring insertion soil.
4. Simple soil infiltration rate measurement device according to claim 3, it is characterised in that: first ring and described
The lower end of second ring is equipped with the inclined acute angle edge of a knife.
5. Simple soil infiltration rate measurement device according to claim 1, it is characterised in that: fixation is set on the bracket
It is equipped with timer.
6. Simple soil infiltration rate measurement device according to claim 1, it is characterised in that: upper on the inside of the bracket
End is equipped with support frame, and the support frame is touched with the graduated cylinder.
7. Simple soil infiltration rate measurement device according to claim 1, it is characterised in that: the top of the bracket is set
There is rubber handle.
8. Simple soil infiltration rate measurement device according to claim 1, it is characterised in that: the diameter of first ring
Greater than the diameter of the graduated cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806519.9U CN209311285U (en) | 2018-11-05 | 2018-11-05 | A kind of Simple soil infiltration rate measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806519.9U CN209311285U (en) | 2018-11-05 | 2018-11-05 | A kind of Simple soil infiltration rate measurement device |
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| Publication Number | Publication Date |
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| CN209311285U true CN209311285U (en) | 2019-08-27 |
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| CN201821806519.9U Active CN209311285U (en) | 2018-11-05 | 2018-11-05 | A kind of Simple soil infiltration rate measurement device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444016A (en) * | 2018-11-05 | 2019-03-08 | 北京市水科学技术研究院 | A kind of Simple soil infiltration rate measurement device and measuring method |
| CN110595984A (en) * | 2019-10-29 | 2019-12-20 | 兰州理工大学 | Cylinder infiltration instrument for measuring undisturbed soil saturated hydraulic conductivity and measuring method thereof |
| CN109444016B (en) * | 2018-11-05 | 2024-05-31 | 北京市水科学技术研究院 | Simple soil infiltration rate measuring device and measuring method |
-
2018
- 2018-11-05 CN CN201821806519.9U patent/CN209311285U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444016A (en) * | 2018-11-05 | 2019-03-08 | 北京市水科学技术研究院 | A kind of Simple soil infiltration rate measurement device and measuring method |
| CN109444016B (en) * | 2018-11-05 | 2024-05-31 | 北京市水科学技术研究院 | Simple soil infiltration rate measuring device and measuring method |
| CN110595984A (en) * | 2019-10-29 | 2019-12-20 | 兰州理工大学 | Cylinder infiltration instrument for measuring undisturbed soil saturated hydraulic conductivity and measuring method thereof |
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